:root {
            --primary-color: #7b61ff;
            --primary-dark: #5a43d6;
            --text-primary: #1d2129;
            --text-secondary: #4e5969;
            --text-muted: #86909c;
            --bg-light: #f8f9ff;
            --bg-white: #ffffff;
            --border-color: #e5e6eb;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-full: 9999px;
            --transition-fast: 0.3s ease;
            --transition-slow: 0.6s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-white);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* ===== 通用工具类 ===== */
        .rounded-full {
            border-radius: var(--radius-full);
        }

        .rounded-lg {
            border-radius: var(--radius-lg);
        }

        .rounded-md {
            border-radius: var(--radius-md);
        }

        .box-shadow {
            box-shadow: var(--shadow-lg);
        }

        .box-shadow-light {
            box-shadow: var(--shadow-md);
        }

        .text-gradient {
            background: linear-gradient(131deg, rgb(25, 62, 255) 0%, rgb(255, 137, 78) 25%, rgb(153, 90, 255) 50%, rgb(34, 174, 255) 75%, rgb(25, 62, 255) 100%) 136% 50% / 400% 100% text transparent;
            color: transparent;
            filter: drop-shadow(rgba(255, 255, 255, 0.7) 0px 0px 0.5px) brightness(1.3);
            text-rendering: optimizelegibility;
            -webkit-font-smoothing: antialiased;
        }

        .section-padding {
            padding: 80px 24px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        /* ===== 动画关键帧 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeInLeft {
            from {
                opacity: 0;
                transform: translateX(-30px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes fadeInRight {
            from {
                opacity: 0;
                transform: translateX(30px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes fadeInScale {
            0% {
                opacity: 0;
                transform: scale(0.95);
            }
            100% {
                opacity: 1;
                transform: scale(1);
            }
        }

        @keyframes gradientBg {
            0% {
                opacity: 0;
            }
            100% {
                opacity: 1;
            }
        }

        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }

        /* ===== 动画应用类 ===== */
        .animate-on-scroll {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.8s var(--transition-slow), transform 0.8s var(--transition-slow);
        }

        .animate-on-scroll.animated {
            opacity: 1;
            transform: translateY(0);
        }

        .animate-delay-1 {
            transition-delay: 0.1s;
        }

        .animate-delay-2 {
            transition-delay: 0.2s;
        }

        .animate-delay-3 {
            transition-delay: 0.3s;
        }

        /* ===== 导航栏样式 ===== */
        .navbar {
            position: sticky;
            top: 0;
            z-index: 1000;
                background-color: unset;
            animation: fadeInUp 0.8s ease-out;
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 16px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .nav-left .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
            text-decoration: none;
            transition: transform var(--transition-fast);
        }

        .nav-left .logo:hover {
            transform: scale(1.05);
        }

        .nav-left .logo img {
            height: 24px;
        }

        .nav-center {
            display: flex;
            gap: 32px;
            background-color: var(--bg-white);
            padding: 6px 36px;
            border-radius: var(--radius-full);
            box-shadow: -1px 6px 30px #12131614;
            transition: all var(--transition-fast);
        }

        .nav-center:hover {
            box-shadow: var(--shadow-md);
        }

        .nav-link {
            text-decoration: none;
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 600;
            padding: 8px 0;
            position: relative;
            transition: color var(--transition-fast);
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--primary-color);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .use-dropdown {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-primary);
            cursor: pointer;
            padding: 8px 16px;
            border: 1px solid var(--text-primary);
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
        }

        .use-dropdown:hover {
            color: var(--bg-white);
            background-color: var(--text-primary);
        }

        .login-btn {
            background-color: var(--text-primary);
            color: var(--bg-white);
            border: none;
            padding: 8px 20px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
        }

        .login-btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* 移动端汉堡菜单 */
.mobile-header {
      position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    z-index: 999;
}

.mobile-header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: #ffffff;
    z-index: 999;
    height: 48px;
    border-radius: 9999px;
    transition: height 300ms, border-radius 300ms 300ms;
    box-shadow: rgba(18, 19, 22, 0.08) -1px 6px 20px;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

/* 左侧 Logo */
.mobile-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-img {
  height: 24px;
}

/* 右侧菜单按钮 */
.mobile-menu-btn {
  border: none;
  font-size: 20px;
  color: #1d2129;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #fff;
}

/* 下拉菜单（默认隐藏） */
.mobile-dropdown-menu {
  max-height: 0;
  margin-top: 10px;
  overflow: hidden;
  background: #ffffff;
  border-radius: 20px;
  box-shadow: rgba(18, 19, 22, 0.08) -1px 6px 20px;
  transition: max-height 0.3s ease;
}

/* 下拉菜单展开状态 */
.mobile-dropdown-menu.active {
  max-height: 300px;
      padding-top: 15px;

}

/* 下拉导航项 */
.dropdown-nav {
  display: flex;
  flex-direction: column;
  padding: 0 20px 16px;
  gap: 20px;
}
.dropdown-item {
  font-size: 18px;
  font-weight: 500;
  color: #1d2129;
  text-decoration: none;
  padding: 8px 0;
  border-bottom: 1px solid #f0f0f0;
  transition: color 0.3s ease;
}
.dropdown-item:hover {
  color: #7b61ff;
}



/* 页面顶部留白（避免内容被菜单遮挡） */
body {
  padding-top: 64px; /* 与菜单高度匹配 */
}

/* 仅在移动端显示（桌面端隐藏） */
@media (min-width: 769px) {
  .mobile-header {
    display: none;
  }
  body {
    padding-top: 0;
  }
}

/* 小屏适配 */
@media (max-width: 375px) {
  .logo-text {
    font-size: 16px;
  }
  .dropdown-item, .lang-switch {
    font-size: 16px;
  }
}

        /* ===== 主内容区样式 ===== */
        .hero {
            width: 100%;
            position: relative;
            padding: 60px 24px 40px;
            text-align: center;
            overflow: hidden;
        }

        .hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            top: 100px;
            width: 100%;
            aspect-ratio: 1100/680;
            background: linear-gradient(-90deg, #e8f6ff 20%, #f0e6ff 50.04%, #e0e5ff 80%);
            filter: blur(60px);
            z-index: -1;
            opacity: 0;
            animation: gradientBg 0.8s ease-in-out 0.6s forwards;
        }

        .hero-container {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .trending-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: #f0f0ff;
            color: var(--primary-color);
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 32px;
            animation: fadeInUp 0.8s ease-out 0.2s both;
        }

        .crown-icon {
            font-size: 16px;
            animation: float 3s ease-in-out infinite;
        }

        .hero-title {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 24px;
            line-height: 1.1;
            letter-spacing: -0.5px;
            transform: translateY(30px);
            opacity: 0;
            position: relative;
            animation: fadeInUp 0.8s ease-out 0.4s both;
        }

        .hero-title.animate-in {
            transform: translateY(0);
            opacity: 1;
        }

        /* 新的动态渐变文字样式 */
        .title-gradient-animated {
    background: linear-gradient(
        90deg,
        #ff5c8d 0%,
        #ff8a00 25%,
        #00d4ff 50%,
        #7b61ff 75%,
        #ff5c8d 100%  /* 这里关键：首尾颜色相同 */
    );
    background-size: 400% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: gradientFlow 6s linear infinite;
    display: inline-block;
    position: relative;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* 关键：确保动画无缝循环 */
@keyframes gradientFlow {
    0% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 400% 50%;  /* 400% 对应 background-size 的400% */
    }
}

        /* 关键帧动画 - 主要渐变流动效果 */
        @keyframes gradientFlow {
            0% {
                background-position: 0% 50%;
            }
            50% {
                background-position: 100% 50%;
            }
            100% {
                background-position: 0% 50%;
            }
        }

        /* 关键帧动画 - 彩虹流动效果（备用） */
        @keyframes rainbowFlow {
            0% {
                background-position: 0% 0%;
            }
            100% {
                background-position: 400% 0%;
            }
        }

        /* 关键帧动画 - 呼吸效果（备用） */
        @keyframes gradientBreath {
            0%, 100% {
                filter: brightness(1) saturate(1);
                background-position: 0% 50%;
            }
            50% {
                filter: brightness(1.2) saturate(1.2);
                background-position: 100% 50%;
            }
        }
        .hero-subtitle {
            font-size: 24px;
            color: var(--text-secondary);
            font-weight: 500;
            margin-bottom: 40px;
            animation: fadeInUp 0.8s ease-out 0.6s both;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 60px;
            animation: fadeInUp 0.8s ease-out 0.8s both;
        }

        .btn-primary {
            background-color: var(--text-primary);
            color: var(--bg-white);
            border: none;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 8px;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .btn-secondary {
            background-color: var(--bg-white);
            color: var(--text-primary);
            border: 1px solid var(--border-color);
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
        }

        .btn-secondary:hover {
            background-color: #f5f5f5;
            border-color: #d0d0d0;
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        /* ===== 演示区域样式 ===== */
        .demo-section {
            position: relative;
            padding: 0 24px 80px;
        }

        .demo-container {
            max-width: 900px;
            margin: 0 auto;
            animation: fadeInScale 1s ease-out 1s both;
        }

        .demo-window {
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: transform var(--transition-fast);
        }

        .demo-window:hover {
            transform: translateY(-5px);
        }

        .window-content {
            padding: 0;
        }

        .demo-image {
            width: 100%;
            height: auto;
            display: block;
        }

        /* ===== 特性区域样式 ===== */
        .feature-section {
            background-color: var(--bg-light);
            padding: 100px 24px;
        }

        .feature-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 60px;
        }

        .feature-left {
            width: 40%;
        }

        .feature-title {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 24px;
        }

        .feature-desc {
            font-size: 20px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 32px;
        }

        .feature-list {
            list-style: none;
        }

        .feature-list li {
            font-size: 18px;
            color: var(--text-muted);
            padding: 16px 0;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            padding-left: 24px;
            transition: color var(--transition-fast);
        }

        .feature-list li:last-child {
            border-bottom: none;
        }

        .feature-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary-color);
            font-weight: bold;
        }

        .feature-list li:hover {
            color: var(--primary-color);
        }

        .feature-right {
            flex: 1;
            width: 60%;
            display: flex;
            justify-content: flex-end;
        }

        .feature-image {
            width: 100%;
            height: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            transition: all var(--transition-fast);
        }

        .feature-image:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
        }

        /* ===== 复杂元素无损提取 ===== */
        .complex-section {
            background-color: var(--bg-white);
            padding: 100px 24px;
        }

        .complex-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .complex-title {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            text-align: center;
            margin-bottom: 60px;
        }

        .complex-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
        }

        .complex-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .complex-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-8px);
            border-color: var(--primary-color);
        }

        .card-subtitle {
            font-size: 24px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 20px;
            text-align: left;
        }

        .card-features {
            list-style: disc;
            padding-left: 20px;
            margin-bottom: 32px;
            color: var(--text-secondary);
            font-size: 18px;
            line-height: 1.8;
            text-align: left;
        }

        .card-image-wrapper {
            width: 100%;
            max-height: 300px;
            overflow: hidden;
            border-radius: var(--radius-md);
        }

        .card-image {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }

        .complex-card:hover .card-image {
            transform: scale(1.05);
        }

        /* ===== 化学论文解析 ===== */
        .chem-section {
            padding: 30px 24px;
        }

        .chem-container {
            max-width: 1200px;
            margin: 0 auto;
            background-color: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 60px 40px 40px;
            position: relative;
            overflow: hidden;
        }

        .chem-container::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 200px;
            height: 200px;
            background: linear-gradient(135deg, rgba(123, 97, 255, 0.1) 0%, rgba(34, 174, 255, 0.1) 100%);
            border-radius: 50%;
            filter: blur(60px);
            z-index: 0;
        }

        .chem-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 48px;
            position: relative;
            z-index: 1;
        }

        .chem-title {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .chem-link {
            font-size: 18px;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .chem-link:hover {
            color: var(--primary-dark);
            transform: translateX(5px);
        }

        .chem-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            position: relative;
            z-index: 1;
        }

        .chem-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

        .chem-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
        }

        .chem-card-vertical {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .chem-card-vertical .card-text {
            flex-shrink: 0;
        }

        .chem-card-vertical .card-image-wrapper {
            width: 100%;
        }

        .chem-card-horizontal {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .chem-card-horizontal .card-text {
            flex: 1;
        }

        .chem-card-horizontal .card-image-wrapper {
            flex: 1;
            max-width: 50%;
        }

        .card-image {
            width: 100%;
            height: auto;
            border-radius: var(--radius-md);
            transition: transform var(--transition-fast);
        }

        .chem-card:hover .card-image {
            transform: scale(1.03);
        }

        /* ===== 共建生态号召区 ===== */
        .cta-section {
            padding: 100px 24px;
        }

        .cta-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 60px;
            text-align: center;
            background: linear-gradient(135deg, #f8f9ff 0%, #f4f5ff 100%);
            padding: 80px 60px;
            border-radius: var(--radius-lg);
            position: relative;
            overflow: hidden;
        }

        .cta-container::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            background: linear-gradient(135deg, rgba(123, 97, 255, 0.15) 0%, rgba(34, 174, 255, 0.15) 100%);
            border-radius: 50%;
            filter: blur(40px);
        }

        .cta-content {
            flex: 1;
            position: relative;
            z-index: 1;
        }

        .cta-title {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
        }

        .cta-subtitle {
            font-size: 20px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.6;
        }

        .cta-button {
            background-color: var(--text-primary);
            color: var(--bg-white);
            border: none;
            padding: 16px 40px;
            font-size: 18px;
            font-weight: 500;
            cursor: pointer;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .cta-button:hover {
            background-color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .cta-illustration {
            flex: 0 0 auto;
            position: relative;
            z-index: 1;
            animation: float 4s ease-in-out infinite;
        }

        .cta-image {
            max-width: 200px;
            height: auto;
            filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
        }

       /* 第六屏：客户端下载 */
/* 第六屏：客户端下载 */
            .client-section {
              padding: 80px 24px;
              margin: 0 24px;
              position: relative;
            }
            .client-section::after {
                        content: "";
                        position: absolute;
                        bottom: 0;
                        left: 0;
                        top: 100px;
                        width: 100%;
                        aspect-ratio: 1100/680;
                        background: linear-gradient(-90deg, #e8f6ff 20%, #f0e6ff 50.04%, #e0e5ff 80%);
                        filter: blur(60px);
                        z-index: -1;
                        opacity: 0;
                        animation: gradientBg 0.8s ease-in-out 0.6s forwards;
                    }
            .client-container {
              max-width: 1200px;
              margin: 0 auto;
              text-align: center;
            }
            .client-header {
              margin-bottom: 40px;
            }
            .client-title-wrapper {
              display: flex;
              align-items: center;
              justify-content: center;
              gap: 12px;
              margin-bottom: 16px;
            }
            .client-icon {
              font-size: 32px;
            }
            .client-title {
              font-size: 36px;
              font-weight: 700;
              color: #1d2129;
            }
            .client-subtitle {
              font-size: 20px;
              color: #4e5969;
            }

            .client-platforms {
              display: flex;
              justify-content: center;
              gap: 20px;
              margin-bottom: 48px;
              flex-wrap: wrap;
            }
            /* 核心：卡片容器 - 统一布局，hover 替换内容 */
            .platform-card {
              background-color: rgb(245 247 250 / 85%);
              border-radius: 12px;
              padding: 24px 32px;
              width: 220px;
              height: 120px; /* 固定高度，避免hover布局变化 */
              display: flex;
              flex-direction: column;
              align-items: center;
              justify-content: center;
              gap: 12px;
              cursor: pointer;
              transition: all 0.3s ease;
              position: relative; /* 父容器定位 */
              overflow: hidden; /* 防止内容溢出 */
            }

            /* ========== 原有内容：默认显示，hover 隐藏 ========== */
            .platform-icon {
              width: 32px;
              height: 32px;
              display: block;
              transition: opacity 0.3s ease;
            }
            .platform-icon img {
              width: 100%;
              height: 100%;
              object-fit: contain;
            }
            .platform-name {
              font-size: 18px;
              font-weight: 500;
              color: #1d2129;
              transition: opacity 0.3s ease;
            }

          

            /* ========== hover 切换：隐藏原有内容，显示下载内容 ========== */
            .platform-card:hover{
              transform: scale(0.95);
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
            }
           

            .client-preview {
              max-width: 100%;
              border-radius: 16px;
              overflow: hidden;
              background-color: #fff;
              box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
            }
            .preview-image {
              width: 100%;
              height: auto;
              display: block;
            }

            /* 响应式适配 */
            @media (max-width: 992px) {
              .client-title {
                font-size: 28px;
              }
              .client-platforms {
                gap: 12px;
              }
              .platform-card {
                min-width: 130px;
                height: 100px;
                padding: 16px 20px;
              }
              .download-icon-inner {
                top: 28px;
                font-size: 28px;
              }
              .download-text-inner {
                bottom: 28px;
                font-size: 16px;
              }
            }
            /* 第七屏：合作伙伴 */
        .partner-section {
          padding: 80px 24px;
          margin: 0 24px;
          position: relative;
        }
        .partner-section::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            top: 100px;
            width: 100%;
            aspect-ratio: 1100/680;
            background: linear-gradient(-90deg, #e8f6ff 20%, #f0e6ff 50.04%, #e0e5ff 80%);
            filter: blur(60px);
            z-index: -1;
            opacity: 0;
            animation: gradientBg 0.8s ease-in-out 0.6s forwards;
        }
        .partner-container {
          max-width: 1200px;
          margin: 0 auto;
        }
        .partner-header {
          text-align: center;
          margin-bottom: 48px;
        }
        .partner-title {
          font-size: 36px;
          font-weight: 700;
          color: #1d2129;
          margin-bottom: 16px;
        }
        .partner-subtitle {
          font-size: 20px;
          color: #4e5969;
          margin-bottom: 32px;
        }
        .partner-actions {
          display: flex;
          justify-content: center;
          gap: 16px;
        }
        .partner-actions .btn-primary {
          background-color: #000;
          color: #fff;
          border: none;
          padding: 12px 24px;
          border-radius: 8px;
          font-size: 16px;
          font-weight: 500;
          cursor: pointer;
          transition: background-color 0.3s ease;
        }
        .partner-actions .btn-primary:hover {
          background-color: #333;
        }
        .partner-actions .btn-secondary {
          background-color: #fff;
          color: #1d2129;
          border: 1px solid #e5e6eb;
          padding: 12px 24px;
          border-radius: 8px;
          font-size: 16px;
          font-weight: 500;
          cursor: pointer;
          transition: all 0.3s ease;
        }
        .partner-actions .btn-secondary:hover {
          background-color: #f5f7fa;
          border-color: #c9cdd4;
        }


        /* 合作伙伴卡片 */
        .partner-cards {
          display: grid;
          grid-template-columns: repeat(3, 1fr);
          gap: 24px;
        }
        .partner-card {
          background-color: #fff;
          border-radius: 16px;
          padding: 24px;
          box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
          transition: all 0.3s ease;
        }
        .partner-card:hover {
          box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
          transform: translateY(-4px);
        }
        .partner-card-header {
          display: flex;
          align-items: center;
          gap: 12px;
          margin-bottom: 16px;
        }
        .partner-logo {
          width: 36px;
          height: 36px;
          border-radius: 8px;
          object-fit: contain;
        }
        .partner-name {
          font-size: 20px;
          font-weight: 600;
          color: #1d2129;
        }
        .partner-desc {
          font-size: 16px;
          color: #4e5969;
          line-height: 1.6;
          margin-bottom: 16px;
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
          .partner-cards {
            grid-template-columns: repeat(2, 1fr);
          }
        }
        @media (max-width: 768px) {
          .partner-title {
            font-size: 28px;
          }
          .partner-subtitle {
            font-size: 18px;
          }
          .partner-cards {
            grid-template-columns: 1fr;
          }
          .partner-tabs {
            gap: 24px;
          }
          .tab-btn {
            font-size: 16px;
          }
        }


        /* 第八屏：荣誉与国产化适配（图片+轮播占位） */
        .honor-section {
          background: #ffffff;
          padding: 40px 24px;
          margin: 0 24px;
        }
        .honor-container {
          max-width: 1200px;
          margin: 0 auto;
        }

        /* 上半部分：背景+文字替代图片 */
        .honor-banner {
            background: linear-gradient(354deg, #ffffff 0%, #e8f0fe 100%);
            border-radius: 16px;
            padding: 30px 24px;
            min-height: 328px;
            margin-bottom: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        /* 装饰元素（可选，增强视觉效果） */
        .honor-banner::before, .honor-banner::after {
          content: '';
          position: absolute;
          font-size: 64px;
          color: #c9d8ff;
          opacity: 0.5;
        }
        .honor-banner::before {
            left: 312px;
            top: 50%;
            width: 50px;
            height: 160px;
            background: url(../images/left-l.svg) no-repeat center;
            background-size: cover;
            transform: translateY(-50%);
        }
        .honor-banner::after {
          right: 312px;
          top: 50%;
          width: 50px;
            height: 160px;
            background: url(../images/right-r.svg) no-repeat center;
            background-size: cover;
          transform: translateY(-50%);
        }
        .honor-banner .section-logo{
            position: absolute;
            bottom: 10px;
            left: 50px;
        }
        .honor-content-wrapper {
            position: relative;
            z-index: 1;
            width: 80%;
            height: 100%;
        }
        .honor-icon {
          font-size: 48px;
          margin-bottom: 16px;
        }
        .honor-main-title {
          font-size: 40px;
          font-weight: 700;
          color: #1d2129;
          margin-bottom: 12px;
        }
        .honor-sub-title {
          font-size: 22px;
          color: #4e5969;
          line-height: 1.5;
        }


        /* 下半部分：国产化适配轮播占位区 */
        .localization-carousel-placeholder {
          padding: 40px;
          position: relative;
        }
        .localization-title {
          font-size: 32px;
          font-weight: 700;
          color: #1d2129;
          text-align: center;
          margin-bottom: 40px;
        }
        /* 轮播容器占位（固定高度，预留空间） */
        .carousel-placeholder-box {
          width: 100%;
          height: 350px; /* 固定高度，预留轮播空间 */
          border-radius: 12px;
          background-color: rgba(255, 255, 255, 0.6); /* 浅白背景，标识占位区 */
          margin-bottom: 32px;
              overflow: hidden;
        }


        /* 响应式适配 */
        @media (max-width: 768px) {
            .navbar{
                display: none;
            }
          .honor-main-title {
            font-size: 32px;
          }
          .honor-sub-title {
            font-size: 18px;
          }
          .honor-banner::before, .honor-banner::after {
            font-size: 48px;
            opacity: 0.3;
          }
          .localization-title {
            font-size: 28px;
          }
          .localization-carousel-placeholder{
            padding: 0;
          }
          .carousel-placeholder-box {
            height: 100px; /* 移动端缩小占位高度 */
          }
        }

        /* 第九屏：开发者声音 */
.voice-section {
  background: #f9fafb;
  padding: 60px 24px;
  margin: 0 24px;
  border-radius: 20px;
  overflow: hidden; /* 隐藏滚动溢出 */
}
.voice-container {
  max-width: 100%;
}
.voice-title {
  font-size: 36px;
  font-weight: 700;
  color: #1d2129;
  text-align: center;
  margin-bottom: 40px;
}

/* 行容器 */
.voice-row {
  margin-bottom: 24px;
  overflow: hidden; /* 隐藏滚动条 */
  white-space: nowrap;
}
.voice-row:last-child {
  margin-bottom: 0;
}

/* 滚动轨道（核心动画） */
.voice-track {
  display: inline-flex;
  gap: 20px;
  animation-duration: 60s; /* 滚动速度，可调整 */
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}
/* 向左滚动 */
.voice-row-left .voice-track {
  animation-name: scrollLeft;
}
/* 向右滚动 */
.voice-row-right .voice-track {
  animation-name: scrollRight;
}

/* 动画关键帧 */
@keyframes scrollLeft {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%); /* 滚动到自身宽度的一半（因为复制了一份） */
  }
}
@keyframes scrollRight {
  0% {
    transform: translateX(-50%); /* 从自身宽度的一半开始 */
  }
  100% {
    transform: translateX(0);
  }
}

/* 卡片样式 */
.voice-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 20px;
  min-width: 320px;
  max-width: 320px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  white-space: normal; /* 恢复文字换行 */
}
.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.card-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.card-info {
  display: flex;
  flex-direction: column;
}
.card-name {
  font-size: 16px;
  font-weight: 600;
  color: #1d2129;
}
.card-meta {
  font-size: 13px;
  color: #86909c;
}
.card-content {
    font-size: 14px;
    color: #4e5969;
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    white-space: normal;
    word-wrap: break-word;
    word-break: break-all;
    overflow: hidden;
}
.card-link {
  color: #7b61ff;
  text-decoration: none;
}

/* 响应式适配 */
@media (max-width: 768px) {
  .voice-title {
    font-size: 28px;
  }
  .voice-card {
    min-width: 280px;
    max-width: 280px;
  }
  .voice-track {
    animation-duration: 40s; /* 移动端加快滚动速度 */
  }
}

        /* ===== 页脚样式 ===== */
        .footer {
            background-color: var(--bg-white);
            padding: 60px 24px 30px;
            border-top: 1px solid var(--border-color);
        }

        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            margin-bottom: 50px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .footer-logo img {
            height: 28px;
        }

        .footer-links {
            display: flex;
            gap: 80px;
        }

        .footer-column h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 20px;
        }

        .footer-column ul {
            list-style: none;
            padding: 0;
        }

        .footer-column ul li {
            margin-bottom: 12px;
        }

        .footer-column ul li a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .footer-column ul li a:hover {
            color: var(--primary-color);
        }

        .footer-qrcodes {
            display: flex;
            gap: 24px;
            margin-top: 24px;
        }

        .qrcode-item {
            text-align: center;
        }

        .qrcode-item img {
            width: 100px;
            height: 100px;
            border-radius: var(--radius-sm);
            margin-bottom: 8px;
            transition: transform var(--transition-fast);
        }

        .qrcode-item img:hover {
            transform: scale(1.05);
        }

        .qrcode-item p {
            font-size: 14px;
            color: var(--text-muted);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 14px;
        }

        /* ===== 响应式布局 ===== */
        @media (max-width: 1200px) {
            .hero-title {
                font-size: 42px;
            }
            
            .feature-container,
            .chem-grid {
                gap: 40px;
            }
        }

        @media (max-width: 992px) {
            /* 导航栏移动端适配 */
            .nav-center,
            .nav-right .use-dropdown {
                display: none;
            }
            
            .mobile-menu-toggle {
                display: block;
            }
            
            .nav-right .login-btn {
                padding: 8px 16px;
                font-size: 14px;
            }
            
            /* 主内容区适配 */
            .hero {
                margin-top: 60px;
                padding: 40px 20px 30px;
            }
            
            .hero-title {
                font-size: 36px;
            }
            
            .hero-subtitle {
                font-size: 20px;
            }
            
            .hero-buttons {
                flex-direction: column;
                align-items: center;
                gap: 16px;
            }
            
            .btn-primary,
            .btn-secondary {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
            
            /* 特性区域适配 */
            .feature-section {
                padding: 60px 20px;
            }
            
            .feature-container {
                flex-direction: column;
                gap: 40px;
            }
            
            .feature-left,
            .feature-right {
                width: 100%;
                text-align: center;
            }
            
            .feature-list li {
                text-align: left;
            }
            
            /* 化学论文解析适配 */
            .chem-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            
            .chem-card-horizontal {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .chem-card-horizontal .card-image-wrapper {
                max-width: 100%;
                width: 100%;
            }
            
            /* 号召区适配 */
            .cta-container {
                flex-direction: column;
                text-align: center;
                padding: 60px 30px;
                gap: 40px;
            }
            
            /* 页脚适配 */
            .footer-top {
                flex-direction: column;
                gap: 40px;
            }
            
            .footer-links {
                flex-direction: column;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            /* 移动端小屏幕适配 */
            .hero-title {
                font-size: 32px;
            }
            
            .hero-subtitle {
                font-size: 18px;
            }
            
            .trending-badge {
                font-size: 14px;
                padding: 6px 12px;
            }
.honor-banner .section-logo{
    height:80px;
}
.honor-banner::before{
    left: 10px;
}
.honor-banner::after{
    right: 10px;
}
.honor-banner{
    height: 240px;
    min-height: 240px;
}
            .feature-title,
            .complex-title,
            .chem-title,
            .cta-title {
                font-size: 28px;
            }
            
            .feature-desc,
            .cta-subtitle {
                font-size: 18px;
            }
            
            .feature-list li,
            .card-features {
                font-size: 16px;
            }
            
            .section-padding,
            .feature-section,
            .complex-section,
            .chem-section,
            .cta-section {
                padding: 60px 20px;
            }
            
            .chem-container {
                padding: 40px 24px;
            }
            
            .chem-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
            
            .chem-link {
                font-size: 16px;
            }
            
            .cta-container {
                padding: 50px 24px;
            }
            
            .footer {
                padding: 40px 20px 20px;
            }
            
            .footer-qrcodes {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 480px) {
            /* 超小屏幕适配 */
            .hero-title {
                font-size: 28px;
            }
            
            .hero-subtitle {
                font-size: 16px;
            }
            
            .feature-title,
            .complex-title,
            .chem-title,
            .cta-title {
                font-size: 24px;
            }
            
            .card-subtitle {
                font-size: 20px;
            }
            
            .complex-cards {
                grid-template-columns: 1fr;
            }
            
            .chem-card,
            .complex-card {
                padding: 24px;
            }
            
            .cta-button {
                width: 100%;
                justify-content: center;
            }
        }